A Diverse Spectrum of Immune Complex- and Complement-Mediated Kidney Diseases Is Associated With Mantle Cell Lymphoma.

Introduction: There are limited reports on kidney biopsy findings in patients with mantle cell lymphoma (MCL).

Methods: We initiated a multi-institutional, retrospective review of kidney biopsy findings in patients with active and treated MCL.

Results: A total of 30 patients with MCL and kidney biopsies were identified, with a median age of 67 (range 48-87) years, 73% of whom were men.

A large outbreak of hepatitis B virus infections associated with frequent injections at a physician's office.

Objectives: To determine whether hepatitis B virus (HBV) transmission occurred among patients visiting a physician's office and to evaluate potential transmission mechanisms.

Design: Serologic survey, retrospective cohort study, and observation of infection control practices.

Setting: Private medical office.